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Finding the Fourth Proportional to 250,478.60, 375,624.27 and 100,668.15

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Solution

The fourth proportional to 250,478.60, 375,624.27 and 100,668.15 is: 150,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,478.60 : 375,624.27 = 100,668.15 : x
  2. Step 2: Convert to fraction form
    250,478.60/375,624.27 = 100,668.15/x
  3. Step 3: Cross multiply
    250,478.60x = 375,624.27 × 100,668.15
  4. Step 4: Simplify right side
    250,478.60x = 37,813,400,356.00
  5. Step 5: Solve for x
    x = 37,813,400,356.00/250,478.60
  6. Step 6: Final answer
    x = 150,964.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.